They are characterized by the face-to-face association and cooperation of persons united by ties of mutual concern.

他们的特点是面对面的联盟以及与那些因共同的关心而联合起来的人的合作。

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In its statement the association, known as BALPA, warns that unless safety improves, travellers face a perilous future.

BALPA 协会在它的声明中警告说，除非安全措施得到改善，否则旅行者的未来将十分危险。

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Most memory-training programs use a set of techniques to enhance memory function, Miller explained, including attention, association, imagery, visualization, story-telling, and face-name association.

Miller解释说，大多数记忆训练项目使用一套包括注意、联想、想象、可视化、讲故事及名脸配对在内的技术用来加强记忆功能。

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The code is voluntary, and any lender breaking the rules would be told to change the way it worked or face expulsion from their association.

BBC: Payday lenders' new code in place

Mr. Cassagnes, an electrical technician, came upon the Etch A Sketch idea in the late 1950s when he peeled a translucent decal from a light switchplate and found pencil-mark images transferred to the opposite face, the Toy Industry Association said.

WSJ: Etch A Sketch Inventor Dies at 86

Then an electrical technician, Cassagnes came upon the Etch A Sketch idea in the late 1950s when he peeled a translucent decal from a light switch plate and found pencil mark images transferred to the opposite face, the Toy Industry Association said.

NPR: Inventor Of Etch A Sketch Dies In France At 86